SO options flow

From the October 21, 2026 session tape · published after the close

SO options traded $1.5M in premium across 21 prints on October 21, 2026: 98% in calls and 2% in puts, with 0% in contracts expiring that day. That was 488% of its average session over the prior 18.

$1.5M
Premium
98% / 2%
Calls / puts
0%
Same-day expiry
488%
vs average
18 sessions

SO largest options trades, October 21, 2026

TimeContractSizePricePremium
10:2087.5C Nov 201,002$3.97$398K
15:1795C Dec 181,730$1.09$189K
12:4072C Oct 23100$18.74$187K
12:2372C Oct 2399$18.62$184K
12:4073C Oct 23100$17.75$178K
12:2373C Oct 2399$17.63$175K
10:2092.5C Nov 201,000$1.25$125K
13:4490P Nov 20139$2.15$30K
13:4492.5C Nov 2027$1.40$4K
14:2490P Nov 2014$2.10$3K
12:2672C Oct 231$18.72$2K
12:3673C Oct 231$17.72$2K
15:0487.5C Nov 203$4.18$1K
16:0090P Nov 205$2.17$1K
10:3487.5C Nov 202$4.27$854

The largest single SO print was a 87.5 call expiring Nov 20 for $398K at 10:20 ET.

The busiest strikes by premium were 87.5 calls ($401K), 72 calls ($374K), 73 calls ($354K), 95 calls ($189K).

Last 19 sessions of SO premium, calls vs puts: Oct 15 $1.3M (85% calls) · Oct 16 $615K (95% calls) · Oct 19 $47K (0% calls) · Oct 20 $175K (0% calls) · Oct 21 $1.5M (98% 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 SO pages.

These are the October 20, 2026 closing numbers. Members see SO's map move live all session.

Common questions

What was SO's unusual options activity on October 21, 2026?

$1.5M in premium across 21 prints, 98% calls. The largest print was a 87.5 call for $398K.

Is SO options flow bullish or bearish?

98% of premium was in calls. Premium alone does not show direction: buyers and sellers, hedges and spreads all print the same way.

Is this SO options flow live?

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.