ARM options flow
From the October 21, 2026 session tape · published after the close
ARM options traded $22.1M in premium across 917 prints on October 21, 2026: 63% in calls and 37% in puts, with 0% in contracts expiring that day. That was 53% of its average session over the prior 19.
ARM largest options trades, October 21, 2026
| Time | Contract | Size | Price | Premium |
|---|---|---|---|---|
| 12:17 | 230C Nov 20 | 1,536 | $17.90 | $2.7M |
| 11:49 | 230C Jan 15 | 634 | $26.25 | $1.7M |
| 10:02 | 220P Nov 13 | 304 | $17.14 | $521K |
| 16:00 | 220P Jan 15 | 126 | $23.30 | $294K |
| 15:23 | 250C Dec 18 | 157 | $16.45 | $258K |
| 16:00 | 210P Jan 15 | 132 | $18.55 | $245K |
| 14:43 | 200C Jan 15 | 52 | $43.10 | $224K |
| 12:56 | 222.5C Nov 20 | 100 | $21.60 | $216K |
| 12:17 | 222.5C Nov 20 | 100 | $21.55 | $216K |
| 10:27 | 220C Nov 13 | 104 | $19.38 | $202K |
| 11:22 | 222.5C Nov 20 | 100 | $20.10 | $201K |
| 12:17 | 235C Nov 6 | 163 | $12.25 | $200K |
| 10:13 | 220C Nov 13 | 102 | $19.28 | $197K |
| 11:22 | 250C Nov 20 | 200 | $9.75 | $195K |
| 14:03 | 235C Nov 6 | 151 | $12.40 | $187K |
The largest single ARM print was a 230 call expiring Nov 20 for $2.7M at 12:17 ET.
The busiest strikes by premium were 230 calls ($5.4M), 220 puts ($1.9M), 222.5 calls ($1.3M), 250 calls ($1.0M).
Last 20 sessions of ARM premium, calls vs puts: Oct 15 $42.9M (32% calls) · Oct 16 $32.5M (37% calls) · Oct 19 $14.9M (37% calls) · Oct 20 $31.9M (36% calls) · Oct 21 $22.1M (63% 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 ARM pages.
These are the October 21, 2026 closing numbers. Members see ARM's map move live all session.
Common questions
$22.1M in premium across 917 prints, 63% calls. The largest print was a 230 call for $2.7M.
63% 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.