Sumitomo Mitsui Financial Group, Inc. options tape
Read from CBOE's delayed chain on 26 September 2026, with Sumitomo Mitsui Financial Group, Inc. at $26.30: open interest within 90 days was 564 call and 1,033 put contracts, a put/call ratio of 1.83; the day's volume was 12 calls and 500 puts (41.67). The most call open interest sits at the $25.00 strike (475 contracts) and the most put open interest at $25.00 (648). The at-the-money straddle for 16 October 2026, 20 days out, was priced at 8.1% of spot. For 16 October 2026, implied volatility was 36.6% at the put 5% below spot and 35.5% at the call 5% above, +1.1 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $25.00 | 475 |
| Puts | $25.00 | 648 |
The strike with the most open interest on each side, across expiries within 90 days.
Open-interest builds against the previous day appear from the second daily read of this name.
Source
CBOE delayed quotes for SMFG, the free 15-minute-delayed chain, read once a day. Figures describe positioning; they are not a forecast.
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