Talen Energy Corporation (TLN) 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.

Talen Energy Corporation (TLN) operates in the Utilities sector, specifically the Independent Power Producers industry, with a market capitalization near $16.04B, listed on NASDAQ, employing roughly 1,894 people, carrying a beta of 1.67 to the broader market. Talen Energy Corporation, an independent power producer and infrastructure company, produces and sells electricity, capacity, and ancillary services into wholesale power markets in the United States. Led by Mark Allen McFarland, public since 2023-06-02.

Snapshot as of May 15, 2026.

Spot Price
$335.00
Call OI
44.2K
Put OI
32.3K
Total OI
76.5K
Put/Call Ratio
1.14

As of May 15, 2026, Talen Energy Corporation (TLN) has 76.5K total contracts outstanding across all expirations. Put/call OI ratio is 0.73 (balanced 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.

How TLN open interest history Data Feeds Strategy Selection

Strategy selection on Talen Energy Corporation options does not derive from any single metric in isolation. The open interest history view above sits inside a broader read: ATM IV currently sits at 60.3% and dealer gamma exposure is positive, so dealer hedging is mechanically mean-reverting. Combine the open interest history data here with the volatility-skew surface, dealer-gamma exposure, max-pain level, and upcoming-events calendar to build a positioning thesis. Risk-defined structures (credit spreads, debit spreads, iron condors) are usually safer than naked positions while the regime is uncertain; the data on this page anchors the inputs but does not by itself constitute a trade thesis.

Learn how open interest is reported and how to read the data →

TLN highest open-interest contracts

TypeStrikeExpirationVolumeOIIVBidAsk
CALL$370.00Dec 18, 202615.2K58.4%$48.00$53.70
CALL$450.00Aug 21, 202650520360.2%$8.90$16.00
PUT$370.00Dec 18, 202623.1K58.4%$73.00$79.00
PUT$310.00Dec 18, 202603.3K59.7%$40.80$45.40
PUT$320.00Jun 18, 2026751.1K59.9%$15.50$16.90
CALL$430.00Dec 18, 2026112.7K58.0%$31.60$35.00
PUT$260.00Jan 15, 202704.0K60.8%$22.20$26.90

Top 7 contracts from the ORATS-sourced nightly scan; ranked by oi within the broader S&P 500/400/600 + ETF universe.

Frequently asked TLN open interest history questions

What is the current TLN options open interest?
As of May 15, 2026, Talen Energy Corporation (TLN) has 76.5K total contracts outstanding across all listed expirations, split as 44.2K calls and 32.3K puts. Open interest reflects accumulated positions from prior trading sessions; it does not include today's volume until end-of-day reconciliation.
What is the TLN put/call open interest ratio?
Put/call OI ratio of 0.73 is balanced.
What does TLN open interest tell traders?
Persistent OI growth indicates sustained directional or hedging interest; sharp drops typically mean post-expiration position cleanup. Heavy OI concentrations at specific strikes act as support and resistance levels because dealer hedging amplifies near those strikes - the gamma profile of the dealer book is concentrated there. Comparing today's volume to standing OI separates opening flow from closing flow.