Fortis Inc. (FTS) Open Interest History

Open interest tracks the total number of outstanding options contracts. Rising OI alongside price moves can indicate growing commitment to the trend; declining OI suggests positions are being closed.

Snapshot as of May 8, 2026.

Spot Price

$56.27

Call OI

1.0K

Put OI

666

Total OI

1.7K

Put/Call Ratio

0.00

As of May 8, 2026, Fortis Inc. (FTS) has 1.7K total contracts outstanding across all expirations. Put/call OI ratio is 0.66 (call-heavy positioning). Open interest reflects accumulated positions from prior sessions; persistent growth indicates sustained directional or hedging interest, while sharp drops typically mean post-expiration clean-up.