MCO options flow
From the October 21, 2026 session tape · published after the close
MCO options traded $436K in premium across 23 prints on October 21, 2026: 54% in calls and 46% in puts, with 0% in contracts expiring that day. That was 70% of its average session over the prior 18.
MCO largest options trades, October 21, 2026
| Time | Contract | Size | Price | Premium |
|---|---|---|---|---|
| 14:25 | 530C Nov 20 | 1,432 | $1.20 | $172K |
| 10:24 | 470P Nov 20 | 53 | $15.00 | $80K |
| 15:07 | 470P Nov 20 | 31 | $10.25 | $32K |
| 12:14 | 500C Nov 20 | 37 | $8.00 | $30K |
| 10:51 | 450P Nov 20 | 41 | $6.45 | $26K |
| 13:47 | 480P Nov 20 | 17 | $13.81 | $23K |
| 12:27 | 460C Nov 20 | 8 | $28.07 | $22K |
| 14:41 | 470P Nov 20 | 12 | $10.00 | $12K |
| 15:21 | 470P Nov 20 | 6 | $10.30 | $6K |
| 12:53 | 450P Nov 20 | 13 | $4.60 | $6K |
| 12:53 | 470P Nov 20 | 5 | $9.40 | $5K |
| 15:37 | 470P Nov 20 | 5 | $9.31 | $5K |
| 15:08 | 500C Nov 20 | 6 | $6.50 | $4K |
| 14:41 | 500C Nov 20 | 4 | $6.96 | $3K |
| 15:37 | 500C Nov 20 | 5 | $5.51 | $3K |
The largest single MCO print was a 530 call expiring Nov 20 for $172K at 14:25 ET.
The busiest strikes by premium were 530 calls ($172K), 470 puts ($143K), 500 calls ($41K), 450 puts ($33K).
Last 19 sessions of MCO premium, calls vs puts: Oct 15 $381K (27% calls) · Oct 16 $508K (39% calls) · Oct 19 $27K (100% calls) · Oct 20 $813K (10% calls) · Oct 21 $436K (54% 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 MCO pages.
These are the October 20, 2026 closing numbers. Members see MCO's map move live all session.
Common questions
$436K in premium across 23 prints, 54% calls. The largest print was a 530 call for $172K.
54% 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.