Costco Wholesale Corp (COST) Unusual Options Flow
Review Costco Wholesale Corp (COST) flow trades, execution quality, and contract activity in one live session view.
Unusual Options Flow Trades
Session 07/23/2026
25 trades · $30.49M premium
| Time (EST) | Contract | Premium | Size | Execution | Type | SigScore |
|---|---|---|---|---|---|---|
| 15:54:50 07/23 | $COST 780C, Exp: 07/31/26 | $1.08M | 75 | Ask | BLOCK | 0.51 |
| 15:54:50 07/23 | $COST 760C, Exp: 07/24/26 | $2.53M | 155 | Bid | BLOCK | 0.49 |
| 15:54:43 07/23 | $COST 650C, Exp: 07/24/26 | $2.87M | 105 | Bid | BLOCK | 0.46 |
| 15:54:27 07/23 | $COST 900C, Exp: 07/24/26 | $279.00K | 120 | Ask | BLOCK | 0.54 |
| 15:54:27 07/23 | $COST 670C, Exp: 07/31/26 | $2.66M | 105 | Ask | BLOCK | 0.54 |
| 14:44:31 07/23 | $COST 915P, Exp: 07/24/26 | $19.35K | 75 | Bid | BLOCK | 0.33 |
| 14:25:58 07/23 | $COST 1160C, Exp: 11/20/26 | $141.81K | 326 | Bid | SWEEP | 0.51 |
| 14:17:58 07/23 | $COST 1000C, Exp: 08/14/26 | $17.40K | 87 | Bid | SWEEP | 0.46 |
| 14:08:15 07/23 | $COST 1000C, Exp: 08/14/26 | $15.90K | 79 | Bid | SWEEP | 0.46 |
| 12:51:37 07/23 | $COST 670C, Exp: 07/31/26 | $3.49M | 140 | Ask | BLOCK | 0.54 |
| 12:51:37 07/23 | $COST 780C, Exp: 07/31/26 | $1.39M | 100 | Mid | BLOCK | 0.45 |
| 12:51:37 07/23 | $COST 680C, Exp: 07/31/26 | $2.16M | 90 | Ask | BLOCK | 0.54 |
| 12:51:37 07/23 | $COST 900C, Exp: 07/24/26 | $335.75K | 170 | Bid | BLOCK | 0.43 |
| 12:51:24 07/23 | $COST 780C, Exp: 07/24/26 | $1.25M | 90 | Ask | BLOCK | 0.54 |
| 12:51:24 07/23 | $COST 760C, Exp: 07/24/26 | $3.36M | 210 | Ask | BLOCK | 0.60 |
| 12:51:24 07/23 | $COST 750C, Exp: 07/24/26 | $1.52M | 90 | Ask | BLOCK | 0.57 |
| 12:51:24 07/23 | $COST 680C, Exp: 07/24/26 | $2.16M | 90 | Ask | BLOCK | 0.57 |
| 12:51:24 07/23 | $COST 650C, Exp: 07/24/26 | $3.76M | 140 | Bid | BLOCK | 0.46 |
| 12:00:25 07/23 | $COST 890P, Exp: 08/07/26 | $265.53K | 450 | Bid | SWEEP | 0.57 |
| 11:19:22 07/23 | $COST 850P, Exp: 08/07/26 | $11.10K | 100 | Bid | BLOCK | 0.30 |
| 11:11:55 07/23 | $COST 935C, Exp: 10/16/26 | $796.83K | 192 | Bid | SWEEP | 0.64 |
| 10:18:18 07/23 | $COST 1000C, Exp: 09/18/26 | $207.93K | 239 | Bid | SWEEP | 0.49 |
| 10:11:06 07/23 | $COST 1140C, Exp: 11/20/26 | $99.55K | 181 | Bid | SWEEP | 0.51 |
| 10:01:44 07/23 | $COST 950C, Exp: 07/31/26 | $26.80K | 80 | Ask | BLOCK | 0.43 |
| 09:58:38 07/23 | $COST 950C, Exp: 07/31/26 | $29.52K | 82 | Bid | SWEEP | 0.43 |
Execution Stats
COST
Total Trades25
Total Premium$30.49M
Ask/Above Ask40.0% (10)
Bid/Below Bid56.0% (14)
Mid4.0% (1)
Sweep/Block Mix8 / 17 (32.0% sweeps · 68.0% blocks)
Average Trade Size143
Top Expiration26/07/24 (10)
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