COST options flow
From the October 21, 2026 session tape · published after the close
COST options traded $14.6M in premium across 680 prints on October 21, 2026: 75% in calls and 25% in puts, with 0% in contracts expiring that day. That was 68% of its average session over the prior 19.
COST largest options trades, October 21, 2026
| Time | Contract | Size | Price | Premium |
|---|---|---|---|---|
| 10:14 | 970C Nov 13 | 169 | $33.60 | $568K |
| 13:22 | 910C Nov 6 | 58 | $86.59 | $502K |
| 12:17 | 875C Dec 18 | 23 | $128.65 | $296K |
| 12:30 | 830C Jan 15 | 16 | $176.00 | $282K |
| 10:27 | 1100P Oct 23 | 25 | $108.25 | $271K |
| 10:27 | 1095P Oct 23 | 25 | $103.79 | $259K |
| 12:30 | 925C Jan 15 | 24 | $92.05 | $221K |
| 13:23 | 1015C Oct 30 | 422 | $4.86 | $205K |
| 10:54 | 1050P Dec 18 | 28 | $69.00 | $193K |
| 13:23 | 950C Nov 6 | 38 | $48.70 | $185K |
| 10:14 | 970C Dec 18 | 36 | $49.95 | $180K |
| 13:23 | 895C Dec 18 | 16 | $110.80 | $177K |
| 13:23 | 1020C Oct 30 | 400 | $3.69 | $148K |
| 10:13 | 970C Jan 15 | 25 | $58.55 | $146K |
| 10:27 | 780C Dec 18 | 6 | $216.83 | $130K |
The largest single COST print was a 970 call expiring Nov 13 for $568K at 10:14 ET.
The busiest strikes by premium were 1000 calls ($1.1M), 970 calls ($1.1M), 950 calls ($877K), 910 calls ($613K).
Last 20 sessions of COST premium, calls vs puts: Oct 15 $61.6M (73% calls) · Oct 16 $31.2M (74% calls) · Oct 19 $36.0M (81% calls) · Oct 20 $26.8M (86% calls) · Oct 21 $14.6M (75% calls).
A large print is a trade, not a verdict: it can be a hedge, a close, or one leg of a spread. Read it next to where dealers are positioned, on the other COST pages.
These are the October 21, 2026 closing numbers. Members see COST's map move live all session.
Common questions
$14.6M in premium across 680 prints, 75% calls. The largest print was a 970 call for $568K.
75% of premium was in calls. Premium alone does not show direction: buyers and sellers, hedges and spreads all print the same way.
No. This page shows the last completed session, published after the close. Members see the flow as it prints.
Compare: options flow on other tickers
Measured from the closing options book and rebuilt after every close. Nothing on this page is live. Levels are where dealer hedging is concentrated, not targets or forecasts. Not investment advice.