Costco Wholesale Corporation (COST)
Model Evaluation — last 30 days for Costco Wholesale Corporation (COST)
MAPE: 0.77%
MAE: 7.14
Direction hit: 83.3%
P&L in Period:
--
| Trade Date |
Prediction For |
Actual |
Pred |
Δ actual |
Strategy Action |
Shares Held |
Strategy P&L (Day) |
Cum. P&L (Period) |
| 2025-09-29 |
2025-10-06 |
$916.77
|
$911.40 |
0.82
|
FLAT
|
0.00 |
$0.00
|
$0.00
|
| 2025-09-30 |
2025-10-07 |
$915.38
|
$917.37 |
-1.49
|
FLAT
|
0.00 |
$0.00
|
$0.00
|
| 2025-10-01 |
2025-10-08 |
$910.94
|
$900.46 |
-14.69
|
FLAT
|
0.00 |
$0.00
|
$0.00
|
| 2025-10-02 |
2025-10-09 |
$914.80
|
$906.00 |
-2.54
|
FLAT
|
0.00 |
$0.00
|
$0.00
|
| 2025-10-03 |
2025-10-10 |
$914.80
|
$907.76 |
-1.97
|
FLAT
|
0.00 |
$0.00
|
$0.00
|
| 2025-10-06 |
2025-10-13 |
$942.89
|
$952.80 |
27.51
|
INITIAL BUY
|
1.10 |
$0.00
|
$0.00
|
| 2025-10-07 |
2025-10-14 |
$930.01
|
$942.57 |
19.07
|
SCALE-IN
|
1.64 |
$0.00
|
$0.00
|
| 2025-10-08 |
2025-10-15 |
$935.56
|
$931.99 |
20.76
|
SCALE-IN
|
2.19 |
$0.00
|
$0.00
|
| 2025-10-09 |
2025-10-16 |
$946.51
|
$936.24 |
31.71
|
SELL
|
0.00 |
$65.78
|
$65.78
|
| 2025-10-10 |
2025-10-17 |
$954.99
|
$948.78 |
12.10
|
INITIAL BUY
|
1.08 |
$0.00
|
$65.78
|
| 2025-10-13 |
2025-10-20 |
$925.62
|
$930.40 |
-4.39
|
SELL
|
0.00 |
$5.97
|
$71.75
|
| 2025-10-14 |
2025-10-21 |
$936.33
|
$936.23 |
0.77
|
FLAT
|
0.00 |
$0.00
|
$71.75
|
| 2025-10-15 |
2025-10-22 |
$936.11
|
$946.04 |
-10.40
|
FLAT
|
0.00 |
$0.00
|
$71.75
|
| 2025-10-16 |
2025-10-23 |
$937.50
|
$946.43 |
-17.49
|
INITIAL BUY
|
1.08 |
$0.00
|
$71.75
|
| 2025-10-22 |
2025-10-23 |
$942.05
|
$929.55 |
--
|
SELL
|
0.00 |
$0.00
|
$-1859.67
|
| 2025-10-23 |
2025-10-26 |
--
|
$948.78 |
--
|
FLAT
|
0.00 |
$0.00
|
--
|
| 2025-10-24 |
2025-10-27 |
$929.85
|
$955.29 |
--
|
FLAT
|
0.00 |
$0.00
|
--
|
| 2025-10-27 |
2025-10-30 |
--
|
$945.11 |
--
|
FLAT
|
0.00 |
$0.00
|
--
|
| 2025-10-25 |
2025-10-28 |
--
|
$951.87 |
--
|
FLAT
|
0.00 |
--
|
--
|
| 2025-10-26 |
2025-10-29 |
--
|
$947.25 |
--
|
FLAT
|
0.00 |
--
|
--
|
| 2025-10-28 |
2025-10-31 |
--
|
$941.26 |
--
|
FLAT
|
0.00 |
--
|
--
|
| 2025-10-29 |
2025-11-01 |
--
|
$960.18 |
--
|
FLAT
|
0.00 |
--
|
--
|
| 2025-10-30 |
2025-11-02 |
--
|
$933.26 |
--
|
FLAT
|
0.00 |
--
|
--
|
| 2025-10-31 |
2025-11-03 |
--
|
$950.34 |
--
|
FLAT
|
0.00 |
--
|
--
|
| 2025-11-01 |
2025-11-04 |
--
|
$948.90 |
--
|
FLAT
|
0.00 |
--
|
--
|
| 2025-11-02 |
2025-11-05 |
--
|
$947.48 |
--
|
FLAT
|
0.00 |
--
|
--
|
| 2025-11-03 |
2025-11-06 |
--
|
$931.99 |
--
|
FLAT
|
0.00 |
--
|
--
|