RS Chart
Assessment - Hang Seng Index - 23/01/23 - RS = 10
 ⇐ 
  instrument freshest Δday 23/01/23 Δwk 14/11/22  prc diff Δ10   ∅-RS
real-time RS chart chart L add note HSI 22,566.800  Thu 2.37 22,044.700 2.37 17,619.700 4,425.000 25.11   10.38 
real-time RS chart chart L add note Sands China 29.350  Thu -2.17 30.000 -2.17 18.740 11.260 60.09   63.52 
real-time RS chart chart L add note China Unicom 5.590  Thu 0.90 5.540 0.90 3.550 1.990 56.06   41.96 
real-time RS chart chart L add note Swire Pacific 72.000  Thu -0.28 72.200 -0.28 59.450 12.750 21.45   41.94 
real-time RS chart chart L add note AAC Technologies 22.300  Thu 3.48 21.550 3.48 17.620 3.930 22.30   30.10 
real-time RS chart chart L add note China Life Ins HK 15.260  Thu 1.60 15.020 1.60 10.520 4.500 42.78   28.28 
real-time RS chart chart L add note Ping An 64.750  Thu 4.18 62.150 4.18 41.900 20.250 48.33   28.26 
real-time RS chart chart L add note Wharf REIC 47.000  Thu 1.29 46.400 1.29 36.250 10.150 28.00   24.49 
real-time RS chart chart L add note Galaxy Entertainment 54.350  Thu -1.00 54.900 -1.00 45.600 9.300 20.39   22.92 
real-time RS chart chart L add note Tencent 406.800  Thu 3.83 391.800 3.83 260.600 131.200 50.35   19.90 
real-time RS chart chart L add note Sun Hung Kai 112.900  Thu 1.16 111.600 1.16 91.900 19.700 21.44   18.47 
real-time RS chart chart L add note China Res Land 39.800  Thu 0.13 39.750 0.13 34.100 5.650 16.57   16.63 
real-time RS chart chart L add note HSBC 57.900  Thu 1.76 56.900 1.76 43.650 13.250 30.36   16.18 
real-time RS chart chart L add note China Res Power 16.860  Thu 16.860 13.780 3.080 22.35   13.67 
real-time RS chart chart L add note Sinopec 4.230  Thu 1.20 4.180 1.20 3.410 0.770 22.58   13.32 
real-time RS chart chart L add note AIA 90.000  Thu 2.74 87.600 2.74 75.700 11.900 15.72   12.78 
real-time RS chart chart L add note CNOOC 11.480  Thu 0.88 11.380 0.88 10.320 1.060 10.27   11.60 
real-time RS chart chart L add note HK Exchgs & Clrg 375.000  Thu 1.79 368.400 1.79 291.800 76.600 26.25   11.39 
real-time RS chart chart L add note Citic Pacific 9.210  Thu 2.22 9.010 2.22 7.680 1.330 17.32   10.13 
real-time RS chart chart L add note PetroChina 4.170  Thu 3.73 4.020 3.73 3.360 0.660 19.64   9.21 
real-time RS chart chart L add note China Mobile 56.550  Thu 1.16 55.900 1.16 48.950 6.950 14.20   8.50 
real-time RS chart chart add note China Shenhua HK 24.800  Thu -1.20 25.100 -1.20 22.400 2.700 12.05   8.22 
real-time RS chart chart L add note Hengan 39.200  Thu -1.26 39.700 -1.26 34.000 5.700 16.76   7.11 
real-time RS chart chart L add note Henderson Land 30.100  Thu 1.52 29.650 1.52 23.950 5.700 23.80   6.58 
real-time RS chart chart L add note MTR 42.350  Thu -0.24 42.450 -0.24 36.900 5.550 15.04   5.66 
  instrument freshest Δday 23/01/23 Δwk 14/11/22  prc diff Δ10   ∅-RS
real-time RS chart chart L add note Hang Lung 15.320  Thu 2.13 15.000 2.13 12.600 2.400 19.05   5.19 
real-time RS chart chart L add note Bank of China 3.030  Thu 1.34 2.990 1.34 2.650 0.340 12.83   4.20 
real-time RS chart chart L add note Link REIT 63.800  Thu 0.39 63.550 0.39 55.000 8.550 15.55   3.46 
real-time RS chart chart L add note Bank of Communicats 4.950  Thu 1.64 4.870 1.64 4.250 0.620 14.59   2.08 
real-time RS chart chart L add note China Mengniu Dairy 37.900  Thu 1.07 37.500 1.07 31.950 5.550 17.37   1.45 
real-time RS chart chart L add note ICBC 4.260  Thu 0.95 4.220 0.95 3.690 0.530 14.36   0.42 
real-time RS chart chart L add note Sunny Optical 116.000  Thu 8.51 106.900 8.51 89.300 17.600 19.71   -0.08 
real-time RS chart chart L add note China Constr Bk HK 5.220  Thu 1.75 5.130 1.75 4.560 0.570 12.50   -0.13 
real-time RS chart chart L add note China Ov Land & Inv 22.400  Thu 2.99 21.750 2.99 20.050 1.700 8.48   -0.56 
real-time RS chart chart L add note Sino Land 10.500  Thu 1.16 10.380 1.16 9.720 0.660 6.79   -1.22 
real-time RS chart chart L add note CK Hutchison 50.350  Thu 1.31 49.700 1.31 42.400 7.300 17.22   -1.29 
real-time RS chart chart L add note Bank of China (HK) 27.550  Thu 1.29 27.200 1.29 24.300 2.900 11.93   -2.19 
real-time RS chart chart L add note CK Property 50.650  Thu 1.81 49.750 1.81 47.400 2.350 4.96   -2.58 
real-time RS chart chart L add note Bank of East Asia 10.260  Thu 1.58 10.100 1.58 8.670 1.430 16.49   -2.65 
real-time RS chart chart L add note Hang Seng Bank 129.600  Thu 1.09 128.200 1.09 123.600 4.600 3.72   -3.52 
real-time RS chart chart L add note CKI 43.900  Thu -0.23 44.000 -0.23 38.450 5.550 14.43   -4.33 
real-time RS chart chart L add note Power Assets 44.600  Thu 1.48 43.950 1.48 39.000 4.950 12.69   -4.92 
real-time RS chart chart L add note Geely Auto 12.860  Thu 6.81 12.040 6.81 10.540 1.500 14.23   -6.48 
real-time RS chart chart L add note HK & China Gas 7.680  Thu 7.680 6.590 1.090 16.54   -6.48 
real-time RS chart chart L add note New World Dev 24.500  Thu 3.59 23.650 3.59 20.650 3.000 14.53   -6.89 
real-time RS chart chart add note WH Group 4.870  Thu 2.31 4.760 2.31 4.490 0.270 6.01   -7.29 
real-time RS chart chart L add note Country Garden 3.050  Thu 5.90 2.880 5.90 3.260 -0.380 -11.66   -7.56 
real-time RS chart chart L add note China Merchants 11.200  Thu -0.88 11.300 -0.88 10.820 0.480 4.44   -8.16 
real-time RS chart chart L add note Lenovo 6.430  Thu 3.54 6.210 3.54 6.650 -0.440 -6.62   -11.34 
real-time RS chart chart L add note CLP 57.700  Thu -0.52 58.000 -0.52 57.150 0.850 1.49   -12.76 
  instrument freshest Δday 23/01/23 Δwk 14/11/22  prc diff Δ10   ∅-RS
real-time RS chart chart L add note Want Want China 5.390  Thu -0.74 5.430 -0.74 5.650 -0.220 -3.89   -13.12 
 HSI - 50 out of 50 instruments rated - 23/01/23 / 14/11/22 - 47 did rise, Market-Ratio(10) = 94.00 % 
Stock Exchange Currency: HKD $ Hong Kong dollar
 
Technical Chart
HSI RS = 10 - B/S = 45/45
Market Chart
7/01/19 scale up chart 23/01/23
 


Transactions Hang Seng Index * L10 - 45 ex 9 (1)
 ⇐ 
L/Sdate buy date selldays instrumentsplpieces prc buyprc sellprc diffd %assetyield 
long 2/01/06   5/06/06 154  RT RS QC  China Res Land 100  2,941   3.400  4.000    0.600 18  11,765 47  
5/06/06 24/07/06 49    - cash -
  24/07/06   5/03/07 224  RT RS QC  China Life Ins HK 100  922   12.750  20.970    8.220 64  19,343 125  
5/03/07 2/04/07 28    - cash -
  2/04/07  13/08/07 133  RT RS QC  China Mengniu Dairy 100  1,758   11.000  13.250    2.250 20  23,299 67  
13/08/07 20/08/07 7    - cash -
  20/08/07  24/12/07 126  RT RS QC  Ping An 100  640   36.400  41.030    4.630 13  26,262 41  
24/12/07 7/04/08 105    - cash -
  7/04/08  14/04/08 7  RT RS QC  China Mobile 100  215   121.650  122.300    0.650 1  26,402 32  
14/04/08 21/04/08 7    - cash -
  21/04/08   9/06/08 49  RT RS QC  Tencent 100  2,432   10.854  12.404    1.550 14  30,171 170  
9/06/08 15/12/08 189    - cash -
  15/12/08  12/01/09 28  RT RS QC  Hengan 100  1,228   24.550  25.000    0.450 2  30,724 27  
12/01/09 19/01/09 7    - cash -
  19/01/09  16/02/09 28  RT RS QC  Hengan 100  1,186   25.900  28.450    2.550 10  33,748 240  
16/02/09 23/03/09 35    - cash -
  23/03/09  18/05/09 56  RT RS QC  Hengan 100  1,126   29.950  34.400    4.450 15  38,759 147  
  18/05/09  21/12/09 217  RT RS QC  Geely Auto 100  27,884   1.390  3.560    2.170 156  99,267 386  
21/12/09 4/01/10 14    - cash -
  4/01/10  18/01/10 14  RT RS QC  Geely Auto 100  22,715   4.370  3.960    -0.410 -9  89,954 -92  
18/01/10 29/03/10 70    - cash -
  29/03/10  10/05/10 42  RT RS QC  Geely Auto 100  21,623   4.160  3.400    -0.760 -18  73,521 -83  
10/05/10 12/07/10 63    - cash -
  12/07/10  27/09/10 77  RT RS QC  Sunny Optical 100  44,289   1.660  1.590    -0.070 -4  70,421 -18  
  27/09/10  20/12/10 84  RT RS QC  Galaxy Entertainment 100  10,045   7.010  8.480    1.470 21  85,187 129  
20/12/10 10/01/11 21    - cash -
  10/01/11  17/01/11 7  RT RS QC  Galaxy Entertainment 100  8,175   10.420  11.000    0.580 6  89,928 1,585  
17/01/11 31/01/11 14    - cash -
  31/01/11   7/02/11 7  RT RS QC  Galaxy Entertainment 100  7,506   11.980  12.480    0.500 4  93,681 743  
7/02/11 7/03/11 28    - cash -
  7/03/11  14/03/11 7  RT RS QC  Galaxy Entertainment 100  8,658   10.820  11.160    0.340 3  96,625 402  
14/03/11 28/03/11 14    - cash -
  28/03/11   6/06/11 70  RT RS QC  Galaxy Entertainment 100  8,202   11.780  17.440    5.660 48  143,048 674  
6/06/11 4/07/11 28    - cash -
  4/07/11  11/07/11 7  RT RS QC  Galaxy Entertainment 100  8,174   17.500  17.260    -0.240 -1  141,086 -51  
11/07/11 24/10/11 105    - cash -
  24/10/11   7/11/11 14  RT RS QC  Galaxy Entertainment 100  9,114   15.480  16.980    1.500 10  154,757 1,015  
7/11/11 28/11/11 21    - cash -
  28/11/11   2/01/12 35  RT RS QC  Sands China 100  6,585   23.500  22.200    -1.300 -6  146,197 -45  
2/01/12 16/01/12 14    - cash -
  16/01/12   7/05/12 112  RT RS QC  Sands China 100  5,778   25.300  28.900    3.600 14  166,998 54  
7/05/12 16/07/12 70    - cash -
  16/07/12  18/03/13 245  RT RS QC  Sunny Optical 100  60,071   2.780  8.800    6.020 217  528,625 457  
18/03/13 29/04/13 42    - cash -
  29/04/13   3/06/13 35  RT RS QC  Sunny Optical 100  55,007   9.610  10.680    1.070 11  587,483 201  
3/06/13 19/08/13 77    - cash -
  19/08/13  16/12/13 119  RT RS QC  Galaxy Entertainment 100  13,351   44.000  69.550    25.550 58  928,601 307  
L/Sdate buy date selldays instrumentsplpieces prc buyprc sellprc diffd %assetyield 
16/12/13 7/04/14 112    - cash -
  7/04/14  23/06/14 77  RT RS QC  Citic Pacific 100  66,709   13.920  13.340    -0.580 -4  889,909 -18  
23/06/14 30/06/14 7    - cash -
  30/06/14   6/10/14 98  RT RS QC  Sunny Optical 100  81,196   10.960  12.720    1.760 16  1,032,814 74  
6/10/14 24/11/14 49    - cash -
  24/11/14   2/02/15 70  RT RS QC  Sunny Optical 100  74,733   13.820  11.480    -2.340 -17  857,939 -62  
  2/02/15  16/03/15 42  RT RS QC  China Life Ins HK 100  28,693   29.900  31.950    2.050 7  916,760 78  
16/03/15 23/03/15 7    - cash -
  23/03/15  22/06/15 91  RT RS QC  Ping An 100  19,620   46.725  54.450    7.725 17  1,068,324 85  
22/06/15 2/11/15 133    - cash -
  2/11/15  30/11/15 28  RT RS QC  Sunny Optical 100  60,357   17.700  17.640    -0.060 0  1,064,703 -4  
30/11/15 7/12/15 7    - cash -
  7/12/15  14/12/15 7  RT RS QC  Sunny Optical 100  56,693   18.780  18.460    -0.320 -2  1,046,561 -59  
14/12/15 21/03/16 98    - cash -
  21/03/16  16/05/16 56  RT RS QC  Sunny Optical 100  45,901   22.800  23.950    1.150 5  1,099,347 38  
16/05/16 30/05/16 14    - cash -
  30/05/16  13/06/16 14  RT RS QC  Sunny Optical 100  41,251   26.650  25.250    -1.400 -5  1,041,596 -76  
13/06/16 18/07/16 35    - cash -
  18/07/16  14/11/16 119  RT RS QC  Sunny Optical 100  36,611   28.450  38.200    9.750 34  1,398,553 147  
14/11/16 30/01/17 77    - cash -
  30/01/17   9/10/17 252  RT RS QC  Geely Auto 100  151,522   9.230  22.000    12.770 138  3,333,489 252  
9/10/17 16/10/17 7    - cash -
  16/10/17  20/11/17 35  RT RS QC  Geely Auto 100  125,319   26.600  27.950    1.350 5  3,502,670 68  
20/11/17 27/11/17 7    - cash -
  27/11/17  29/01/18 63  RT RS QC  Sunny Optical 100  25,585   136.900  107.000    -29.900 -22  2,737,678 -76  
  29/01/18  12/02/18 14  RT RS QC  Country Garden 100  168,576   16.240  13.120    -3.120 -19  2,211,721 -100  
12/02/18 19/02/18 7    - cash -
  19/02/18  19/03/18 28  RT RS QC  Sunny Optical 100  16,844   131.300  147.100    15.800 12  2,477,856 340  
19/03/18 23/04/18 35    - cash -
  23/04/18   7/05/18 14  RT RS QC  China Mengniu Dairy 100  91,097   27.200  26.050    -1.150 -4  2,373,095 -68  
7/05/18 14/05/18 7    - cash -
  14/05/18  28/05/18 14  RT RS QC  Sunny Optical 100  15,459   153.500  159.400    5.900 4  2,464,303 167  
28/05/18 4/06/18 7    - cash -
  4/06/18  25/06/18 21  RT RS QC  Sunny Optical 100  15,626   157.700  138.700    -19.000 -12  2,167,409 -89  
25/06/18 1/10/18 98    - cash -
  1/10/18   8/10/18 7  RT RS QC  Lenovo 100  378,917   5.720  4.960    -0.760 -13  1,879,432 -100  
8/10/18 3/12/18 56    - cash -
  3/12/18  10/12/18 7  RT RS QC  Lenovo 100  325,724   5.770  5.250    -0.520 -9  1,710,056 -99  
10/12/18 17/12/18 7    - cash -
  17/12/18   6/05/19 140  RT RS QC  Lenovo 100  307,011   5.570  6.880    1.310 24  2,112,240 73  
6/05/19 21/10/19 168    - cash -
  21/10/19  18/11/19 28  RT RS QC  Sunny Optical 100  18,240   115.800  123.500    7.700 7  2,252,688 131  
18/11/19 25/11/19 7    - cash -
  25/11/19   3/02/20 70  RT RS QC  Sunny Optical 100  18,525   121.600  128.400    6.800 6  2,378,658 33  
3/02/20 10/02/20 7    - cash -
  10/02/20  24/02/20 14  RT RS QC  Sunny Optical 100  18,685   127.300  128.000    0.700 1  2,391,737 15  
24/02/20 1/06/20 98    - cash -
  1/06/20  15/06/20 14  RT RS QC  Tencent 100  5,575   429.000  433.600    4.600 1  2,417,382 32  
L/Sdate buy date selldays instrumentsplpieces prc buyprc sellprc diffd %assetyield 
15/06/20 6/07/20 21    - cash -
  6/07/20  20/07/20 14  RT RS QC  Tencent 100  4,648   520.000  522.500    2.500 0  2,429,002 13  
20/07/20 3/08/20 14    - cash -
  3/08/20   7/09/20 35  RT RS QC  HK Exchgs & Clrg 100  6,543   371.200  370.000    -1.200 0  2,421,151 -3  
7/09/20 12/10/20 35    - cash -
  12/10/20  19/10/20 7  RT RS QC  Tencent 100  4,346   557.000  561.500    4.500 1  2,440,708 52  
19/10/20 16/11/20 28    - cash -
  16/11/20  29/03/21 133  RT RS QC  Geely Auto 100  117,060   20.850  19.900    -0.950 -5  2,329,501 -12  
  29/03/21  21/06/21 84  RT RS QC  Lenovo 100  232,021   10.040  8.730    -1.310 -13  2,025,553 -46  
21/06/21 29/11/21 161    - cash -
  29/11/21  20/12/21 21  RT RS QC  China Res Power 100  98,807   20.500  25.400    4.900 24  2,509,708 4,048  
20/12/21 10/01/22 21    - cash -
  10/01/22  21/02/22 42  RT RS QC  China Res Power 100  125,485   20.000  16.300    -3.700 -19  2,045,413 -83  
  21/02/22  14/03/22 21  RT RS QC  China Ov Land & Inv 100  80,369   25.450  21.550    -3.900 -15  1,731,974 -94  
14/03/22 16/05/22 63    - cash -
  16/05/22  13/06/22 28  RT RS QC  China Shenhua HK 100  69,978   24.750  26.900    2.150 9  1,882,427 196  
13/06/22 5/12/22 175    - cash -
  5/12/22  26/01/23 52  RT RS QC  Sands China 100  77,466   24.300  29.350    5.050 21  2,273,630 276  
accum 2/01/06 26/01/233658 days out of 6234 invested (59%) 22,636 2,273,630 72  

Instrument Related Contribution
 instrumentL/Sdate buy date selldaysprc buyprc sellprc diffd %total 
 Geely Autolong 18/05/09 21/12/092171.393.562.17 156.12 
   4/01/10 18/01/10144.373.96-0.41 -9.38 
  29/03/10 10/05/10424.163.40-0.76 -18.27 
  30/01/17  9/10/172529.2322.0012.77 138.35 
  16/10/17 20/11/173526.6027.951.35 5.08 
  16/11/20 29/03/2113320.8519.90-0.95 -4.56353.42 
 Sunny Optical 12/07/10 27/09/10771.661.59-0.07 -4.22 
  16/07/12 18/03/132452.788.806.02 216.55 
  29/04/13  3/06/13359.6110.681.07 11.13 
  30/06/14  6/10/149810.9612.721.76 16.06 
  24/11/14  2/02/157013.8211.48-2.34 -16.93 
   2/11/15 30/11/152817.7017.64-0.06 -0.34 
   7/12/15 14/12/15718.7818.46-0.32 -1.70 
  21/03/16 16/05/165622.8023.951.15 5.04 
  30/05/16 13/06/161426.6525.25-1.40 -5.25 
  18/07/16 14/11/1611928.4538.209.75 34.27 
  27/11/17 29/01/1863136.90107.00-29.90 -21.84 
  19/02/18 19/03/1828131.30147.1015.80 12.03 
  14/05/18 28/05/1814153.50159.405.90 3.84 
   4/06/18 25/06/1821157.70138.70-19.00 -12.05 
  21/10/19 18/11/1928115.80123.507.70 6.65 
  25/11/19  3/02/2070121.60128.406.80 5.59 
  10/02/20 24/02/2014127.30128.000.70 0.55285.11 
 Galaxy Entertainment 27/09/10 20/12/10847.018.481.47 20.97 
  10/01/11 17/01/11710.4211.000.58 5.57 
  31/01/11  7/02/11711.9812.480.50 4.17 
   7/03/11 14/03/11710.8211.160.34 3.14 
  28/03/11  6/06/117011.7817.445.66 48.05 
   4/07/11 11/07/11717.5017.26-0.24 -1.37 
  24/10/11  7/11/111415.4816.981.50 9.69 
  19/08/13 16/12/1311944.0069.5525.55 58.07247.39 
 instrumentL/Sdate buy date selldaysprc buyprc sellprc diffd %total 
 China Life Ins HK 24/07/06  5/03/0722412.7520.978.22 64.47 
   2/02/15 16/03/154229.9031.952.05 6.8675.75 
 Ping An 20/08/07 24/12/0712636.4041.034.63 12.72 
  23/03/15 22/06/159146.7354.457.73 16.5331.36 
 Sands China 28/11/11  2/01/123523.5022.20-1.30 -5.53 
  16/01/12  7/05/1211225.3028.903.60 14.23 
   5/12/22 26/01/235224.3029.355.05 20.7830.34 
 Hengan 15/12/08 12/01/092824.5525.000.45 1.83 
  19/01/09 16/02/092825.9028.452.55 9.85 
  23/03/09 18/05/095629.9534.404.45 14.8628.48 
 China Res Land  2/01/06  5/06/061543.404.000.60 17.6517.65 
 Tencent 21/04/08  9/06/084910.8512.401.55 14.28 
   1/06/20 15/06/2014429.00433.604.60 1.07 
   6/07/20 20/07/2014520.00522.502.50 0.48 
  12/10/20 19/10/207557.00561.504.50 0.8117.00 
 China Mengniu Dairy  2/04/07 13/08/0713311.0013.252.25 20.45 
  23/04/18  7/05/181427.2026.05-1.15 -4.2315.36 
 China Shenhua HK 16/05/22 13/06/222824.7526.902.15 8.698.69 
 China Res Power 29/11/21 20/12/212120.5025.404.90 23.90 
  10/01/22 21/02/224220.0016.30-3.70 -18.500.98 
 China Mobile  7/04/08 14/04/087121.65122.300.65 0.530.53 
 HK Exchgs & Clrg  3/08/20  7/09/2035371.20370.00-1.20 -0.32-0.32 
 Citic Pacific  7/04/14 23/06/147713.9213.34-0.58 -4.17-4.17 
 Lenovo  1/10/18  8/10/1875.724.96-0.76 -13.29 
   3/12/18 10/12/1875.775.25-0.52 -9.01 
  17/12/18  6/05/191405.576.881.31 23.52 
  29/03/21 21/06/218410.048.73-1.31 -13.05-15.26 
 instrumentL/Sdate buy date selldaysprc buyprc sellprc diffd %total 
 China Ov Land & Inv 21/02/22 14/03/222125.4521.55-3.90 -15.32-15.32 
 Country Garden 29/01/18 12/02/181416.2413.12-3.12 -19.21-19.21 


Annotations
23/05/18HSIindex adaption
removed: Cathay Pacific Airways, Kunlun Energy, The Wharf
added: Country Garden, Sunny Optical Technology, WH Group, Wharf REIC
19/07/17HSIBelle drops out due to acquisition by Hillhouse Capital and CDH Investments
1/04/17HSImachine learning processed for all techniques
6/03/17HSIGeely Auto replaces Li & Fung
28/12/16HSIAAC Technologies and CKI replacen China Res Enterprises and Tingyi
13/10/15China Mengniu Dairyforward stock split 1:2 (two for one)
27/07/15Ping An HKforward stock split 10:20 (twenty for ten)
8/06/15HSICK Property and The Link REIT replace Costco and Hutchison Whampoa.
1/06/15CK Hutchisonname change (before Cheung Kong Holdings Ltd) after Merger with Hutchison Whampoa
27/05/15CK Hutchisonspin-off CK Property