ProShares - UltraShort Energy (DUG) 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 Energy (DUG) operates in the Financial Services sector, specifically the Asset Management - Leveraged industry, with a market capitalization near $9.8M, listed on AMEX, carrying a beta of -0.24 to the broader market. ProShares UltraShort Energy seeks daily investment results, before fees and expenses, that correspond to two times the inverse (-2x) of the daily performance of the S&P Energy Select SectorSM Index. public since 2007-02-01.
Snapshot as of May 29, 2026.
- Spot Price
- $19.43
- Call OI
- 1.2K
- Put OI
- 160
- Total OI
- 1.3K
- Put/Call Ratio
- 0.00
As of May 29, 2026, ProShares - UltraShort Energy (DUG) has 1.3K total contracts outstanding across all expirations. Put/call OI ratio is 0.14 (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.
How DUG open interest history Data Feeds Strategy Selection
Strategy selection on ProShares - UltraShort Energy 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 53.6% 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.
How to read the DUG open-interest data
The open-interest time-series above tracks the total ProShares - UltraShort Energy options inventory outstanding day by day. OI is a stock measure - the cumulative position count - so trends flag accumulating or distributing positioning. Current put/call ratio is 0.00, call-heavy - speculative or bullish positioning dominates. Total call OI of 1.2K versus put OI of 160 gives a put/call OI ratio of 0.14 - structurally a slower-moving signal than the volume-based ratio.
DUG flow vs positioning
Volume tells you what flows happened today; OI tells you what positions accumulated. Both can move in opposite directions: rising volume with falling OI means contracts are being closed (covering); rising volume with rising OI means new positions are being opened. The combination matters more than either alone for reading sentiment. Combined with the current positive dealer-gamma regime, large OI clusters tend to act as price magnets through expiration cycles.
Using DUG OI/volume data alongside other surfaces
Per-strike OI is the input to dealer-gamma calculations: strikes with elevated call OI generate gamma walls that dealers must hedge into as spot approaches them. The gamma-exposure page combines this distribution with the dealers' assumed-long-gamma assumption to project hedge flow. Volume cross-checks recent positioning shifts in the chain that haven't yet shown up in cumulative OI. Pair both with the term-structure view on the volatility page to determine whether the activity is concentrated in near-dated event hedging or longer-dated structural positioning. Front-month expiration for DUG sits at 20 days, so near-dated volume currently dominates the flow reading.
Learn how open interest is reported and how to read the data →
Daily open-interest history for DUG options over the last ~41 trading days. Each row reflects the end-of-day total OI summed across all listed strikes and expirations.
Most recent 15 trading days (descending). Older history appears in the chart above.
| Date | Call OI | Put OI | Total OI | P/C OI |
|---|---|---|---|---|
| May 29, 2026 | 1.2K | 160 | 1.3K | 0.14 |
| May 28, 2026 | 1.2K | 160 | 1.3K | 0.14 |
| May 27, 2026 | 1.1K | 160 | 1.3K | 0.14 |
| May 26, 2026 | 1.1K | 156 | 1.3K | 0.14 |
| May 22, 2026 | 1.1K | 157 | 1.3K | 0.14 |
| May 21, 2026 | 1.1K | 157 | 1.2K | 0.15 |
| May 20, 2026 | 1.0K | 159 | 1.2K | 0.15 |
| May 19, 2026 | 996 | 127 | 1.1K | 0.13 |
| May 18, 2026 | 988 | 120 | 1.1K | 0.12 |
| May 15, 2026 | 1.3K | 175 | 1.5K | 0.14 |
| May 14, 2026 | 1.3K | 175 | 1.4K | 0.14 |
| May 13, 2026 | 1.3K | 175 | 1.5K | 0.14 |
| May 12, 2026 | 1.2K | 174 | 1.4K | 0.14 |
| May 11, 2026 | 1.2K | 171 | 1.3K | 0.15 |
| May 8, 2026 | 1.1K | 171 | 1.3K | 0.15 |
Frequently asked DUG open interest history questions
- What is the current DUG options open interest?
- As of May 29, 2026, ProShares - UltraShort Energy (DUG) has 1.3K total contracts outstanding across all listed expirations, split as 1.2K calls and 160 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 DUG put/call open interest ratio?
- Put/call OI ratio of 0.14 is call-heavy, often a directional bullish or upside-speculation signal.
- What does DUG 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.