Westlake Chemical Partners LP (WLKP) Max Pain Analysis

Max pain is the strike price where aggregate option buyer payout is minimized at expiration. It represents the price at which option writers retain the most premium.

Westlake Chemical Partners LP (WLKP) operates in the Basic Materials sector, specifically the Chemicals industry, with a market capitalization near $798.7M, listed on NYSE, employing roughly 2,169 people, carrying a beta of 0.50 to the broader market. Westlake Chemical Partners LP concentrates on acquiring, developing, and operating facilities dedicated to ethylene production, along with related infrastructure, throughout the United States. Led by Jean-Marc Gilson, public since 2014-07-30.

Snapshot as of Jun 30, 2026.

Spot Price

$22.43

Max Pain Strike

$22.50

Total OI

971

As of Jun 30, 2026, Westlake Chemical Partners LP (WLKP) max pain sits at $22.50, which is essentially at the current spot price of $22.43 (0.3% away). Spot is essentially pinned to max pain right now; the gravitational center and the actual price coincide, the regime where end-of-cycle pinning is mechanically most plausible. WLKP is a low-priced underlying (spot $22.43), where $0.50 or finer strike spacing increases the number of viable pin candidates and dampens the dominant-strike effect. Total open interest across the listed chain is comparatively thin (971 contracts), so single-strike pinning is less reliable than it is for high-OI names. WLKP is currently in positive dealer gamma ($35.3K), the regime that mechanically reinforces pinning by inducing dealers to buy weakness and sell strength near heavy-OI strikes. Max pain identifies the strike at which the aggregate dollar value of all outstanding options contracts would expire with the least total intrinsic value, a gravitational reference rather than a price target.

WLKP Strategy Implications at the Current Max Pain Level

With spot effectively pinned the $22.50 max-pain level and Westlake Chemical Partners LP in a positive-gamma regime, where dealer hedging mechanically pulls spot toward heavy-OI strikes, strategy selection turns on cycle position and dealer positioning. Iron condors and credit spreads centered near the max-pain strike capture the typical end-of-cycle convergence when the regime supports pinning; ratio backspreads or directional debit structures fit names where catalyst flow is likely to overwhelm the hedging-driven pull. The gamma-exposure page shows the per-strike dealer book that determines whether hedging will reinforce or fight the pin.

How to read the WLKP max-pain chart

The open-interest histogram above shows where Westlake Chemical Partners LP call and put writers have stacked the most inventory. Strikes with elevated call OI act as overhead resistance when dealers are long-gamma (they sell rallies into the wall); strikes with elevated put OI act as support (dealers buy dips toward the wall). The max-pain strike is the single price at which the total cash payout to option holders is minimized - the lowest-pain price for the writers as a group. Spot is essentially pinned to the max-pain strike at $22.50, a configuration that often persists into expiration when dealer-gamma is positive. Net dealer gamma is positive at $35.3K, so as spot moves dealers sell rallies and buy dips, mechanically dampening realized volatility.

WLKP max-pain in context

Max pain is an end-of-cycle convergence signal, not an intraday compass. Cross-reference the level with the gamma-flip strike on the GEX page, the front-month ATM IV reading (currently 66.1%), and any catalyst risk on the calendar. Total listed OI on WLKP sits at 971 contracts; pin strength generally scales with this number, since heavier OI means more delta to hedge as spot drifts toward the strike. A pin can fail - earnings, FDA decisions, central-bank surprises, and other vol catalysts can rip spot past max pain regardless of where dealers want it. Use max pain to size risk-defined structures, not as a directional thesis.

Reading WLKP max-pain alongside dealer positioning

The clean version of the max-pain mechanism requires positive dealer gamma to enforce convergence; in a negative-gamma regime the same OI distribution can repel rather than attract spot. WLKP is currently in a positive-gamma regime, so the max-pain pull mechanic is structurally active. Combine the pin level with the gamma-flip level and the implied move to model out where spot is likely to anchor through expiration.

Learn how max pain is reported and how to read the data →

Frequently asked WLKP max pain analysis questions

What is the current WLKP max pain strike?

As of Jun 30, 2026, Westlake Chemical Partners LP (WLKP) max pain sits at $22.50, which is 0.3% above the current spot price of $22.43. Max pain identifies the strike at which aggregate option-buyer payouts at expiration are minimized; it is a gravitational reference, not a price target. WLKP is essentially pinned right now - the gravitational center and the actual price coincide.

Does WLKP pin to its max pain strike at expiration?

WLKP is currently in positive dealer gamma, the regime that mechanically reinforces pinning. Dealers hedging long-gamma books buy weakness and sell strength near high-OI strikes, which pulls spot toward those levels into expiration. Total open interest across WLKP (971 contracts) is one input to how plausible a clean pin is - heavier total OI concentrated at fewer strikes raises the probability; thin OI spread across many strikes lowers it. Pinning is strongest in heavily-traded names with large open-interest concentrations at high-OI strikes during the final week of an OPEX cycle. Whether WLKP actually pins on a given expiration depends on the OI distribution, the dealer-gamma sign, and the absence of catalyst-driven moves that overwhelm hedging-driven flow.

How is WLKP max pain calculated?

Max pain is computed by summing the dollar value of all in-the-money options at each candidate settlement strike across listed expirations, then selecting the strike that minimizes total intrinsic-value payout to option buyers. The calculation uses the full open-interest distribution and weighs both calls and puts. WLKP put/call OI ratio is 0.18 - call-heavy, which biases the max-pain calculation toward strikes above current spot when the call OI concentrates there.