ProShares - UltraShort Yen (YCS) 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.

ProShares - UltraShort Yen (YCS) operates in the Financial Services sector, specifically the Asset Management - Leveraged industry, with a market capitalization near $28.9M, listed on AMEX, carrying a beta of -0.41 to the broader market. ProShares UltraShort Yen seeks daily investment results, before fees and expenses, that correspond to two times the inverse (-2x) of the daily performance of the price of the Japanese yen versus the U. public since 2008-11-25.

Snapshot as of May 15, 2026.

Spot Price
$53.51
Call OI
854
Put OI
2.1K
Total OI
3.0K
Put/Call Ratio
0.11

As of May 15, 2026, ProShares - UltraShort Yen (YCS) has 3.0K total contracts outstanding across all expirations. Put/call OI ratio is 2.51 (put-heavy positioning, often indicating hedging or bearish bias). 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 YCS open interest history Data Feeds Strategy Selection

Strategy selection on ProShares - UltraShort Yen 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 17.9% 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 →

Frequently asked YCS open interest history questions

What is the current YCS options open interest?
As of May 15, 2026, ProShares - UltraShort Yen (YCS) has 3.0K total contracts outstanding across all listed expirations, split as 854 calls and 2.1K 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 YCS put/call open interest ratio?
Put/call OI ratio of 2.51 is put-heavy, often indicating hedging demand or bearish positioning.
What does YCS 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.