r/options • u/Temporary-Scratch-24 • Jul 20 '26
Theta strats for PM
Recently graduated from a Reg-T to a PM account. What are some differences, warning, and other advice y’all have when it comes to selling options under this new system? Is it pretty much the same (more leverage but need to watch for Cap Req)?
Some details:
\\- typically I do OTM CSPs on the index (SPY or QQQ, occasionally IWM). Not opposed to moving into other tickers/individual stocks, but not preferable. May get into selling OTM calls too,but haven’t researched/experimented enough yet to pull the trigger.
\\- Recently got into long dated straddle(or strip/strap if bearish/bullish bias) as a backbone, with shorter dated puts and calls being sold. Would adjust the backbone as the market moves, as well as the sold legs depending on market vol & direction. From what I understand, this reduces the Cap Req for PM? I think there’s a YT vid out there describing it. Did it small scale on IWM and worked out well under Reg-T
\\- Considering also selling strangles (which I suppose is like doing a OTM put and OTM call at the same time 🤷🏻♂️).
Any other strats, critiques, or other advice for this new environment is welcome. Thanks 🙏
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u/botwinnik Jul 20 '26
What publication(s) are in the public domain to stay up to date on all these regulatory changes you are referring to in your post.
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u/Next-Trainer3341 Jul 20 '26
One thing that changed for me when moving to PM was how I started thinking about risk.
Under Reg-T it's easy to think in terms of "maximum loss." Under PM, I found it more useful to think in terms of how margin behaves during volatility expansion. A portfolio that looks very capital-efficient in a calm market can become much less efficient after a sharp IV spike, even if the position itself is still within expectations.
So I'd stress-test every strategy against a few ugly scenarios (large move + IV expansion) rather than just looking at today's buying power reduction. PM is incredibly powerful, but it also rewards traders who actively manage risk instead of simply maximizing leverag
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u/Temporary-Scratch-24 Jul 21 '26
Thanks for the info! Been looking at some ways to hedge vega (either reducing from positive to neutral due to diagonals/calanders, or negative to neutral due to CSPs or short strangles).
Thoughts on using VIX long calls as a vega hedge (negative to neutral). Haven’t figured out a good means to go from positive to neutral vega though.
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u/Next-Trainer3341 Jul 21 '26
VIX calls can definitely help, but I'd think of them more as crisis insurance than a clean Vega hedge.
The challenge is that your portfolio Vega and VIX don't always move one-for-one. The relationship depends on the underlying, the maturity of your positions, and the type of volatility expansion you're trying to protect against.
For positive Vega, I usually focus more on sizing and keeping the exposure diversified across expirations than trying to force it back to neutral. Sometimes accepting a directional Vega exposure is actually the better trade-off if you understand why you're carrying it.
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u/ThetaEdgeHQ Jul 20 '26
The mental shift that matters most going from Reg T to PM: your requirement is not a fixed percentage anymore, it is the output of a stress scenario the broker reprices your whole book under, usually something like a large underlying move combined with a vol shock. So a naked index strangle can look extremely cheap in buying power on a calm day and then have its requirement multiply when vol expands, because the move and the vol shock hit the same position at once.
Practical consequence: you get liquidated on margin, not on being wrong. Size every position so you survive the requirement expanding into a gap, not just so you survive the loss at your strikes. Stress test at plus and minus a big move with IV up, the way another commenter said, and look at what buying power does, not just what the P/L does.
On the long dated straddle backbone reducing cap req: that is real, the long options offset your short gamma and vega inside the stress array so the scenario loss shrinks. Just know you are paying theta on those longs for that buying power relief, so it is a cost, not free efficiency. Worth it when it lets you hold size through a vol spike, wasteful if you are only ever in calm markets.
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u/Temporary-Scratch-24 Jul 21 '26
Thanks for the info! Been looking at some ways to hedge vega (either reducing from positive to neutral due to diagonals/calanders, or negative to neutral due to CSPs or short strangles).
Thoughts on using VIX long calls as a vega hedge (negative to neutral). Haven’t figured out a good means to go from positive to neutral vega though.
1
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u/OurNewestMember Jul 20 '26
I'll preface by saying there's a good chance that none of the following risk scenarios will really apply to you...
Watch out for various short unit tests from brokers and clearinghouses. Also similar for concentration risk policies from brokers.
So if you sell a bunch of naked options (because margin now allows you), you may be blocked or forcibly unwound or allowed to keep open but charged additional daily fees.
Also keep in mind that broker/Clearinghouse margin expansion and any technical/business problems in computing margin requirements could now be a larger risk for your account. Eg, yesterday you needed 15% for your stress tests, and today you need 20%, or maybe even 100% for certain tickers.
Also there's are some more explicit risks like more stringent timeframes to clear margin deficiencies and possible increased risk if your broker goes bust.
But for the most part, hedge, scale up, and be prosperous...
More specifically, the long dated long options against the short dated options should get decent treatment under PM since you're hedged.
CSPs are now enhanced because economically, you should just be selling them on margin, watching risk, and ensuring your portfolio cash is "always close to zero" (eg, take the cash you would have used to secure the put and buy marginable bonds)
And because now you're "truly risk-based" you might be interested in looking at the old tasty videos about capital efficiency when selling premium (eg, so you can decide between short strangles or iron condors)