Are you relying on đ§đľđ˛đđŽ to tell you what you are actually collecting per day? đ Think again.
In this episode of đ¨đšđšđđĽđŽđąđśđź.đđ, we examine why standard option metrics can create a dangerous analytical blind spot for short-option traders.
Many option sellers instinctively look at đ§đľđ˛đđŽ, assuming daily time decay translates directly into daily income. It does not.
đ§đľđ˛đđŽ measures the sensitivity of an optionâs market value to the passage of time. It describes how the optionâs price may respond to time decay under the current market conditions. It does not tell you how much premium you originally collected or how much of that premium remains available to capture.
That distinction becomes especially important when a trade moves against you.
A position can show a stronger đ§đľđ˛đđŽ reading while its market value is simultaneously moving against the seller. Looking at đ§đľđ˛đđŽ alone can therefore create the impression that the position is generating more daily income when the overall trade is actually losing money.
To bridge this analytical gap, trader đŚđŽđş đŠđśđđľđđŽđ developed đŁđŁđ (đŁđżđ˛đşđśđđş đŁđ˛đż đđŽđ), a pure position-level metric designed to measure the premium available to collect on a daily basis.
đŁđŁđ uses only four standard trade inputs:
⢠Opening Premium
⢠Current Premium
⢠đđ§đ
⢠Total đ§đ˛đťđźđż
It then applies a simple dual-case calculation to distinguish between a position that has already moved in the sellerâs favor and one that is flat or underwater:
đ đđŽđđ˛ đ (đŞđśđťđťđśđťđ´): Current Premium is less than Opening Premium.
đ PPD = Current Premium á DTE
đ đđŽđđ˛ đŽ (đđźđđśđťđ´ đźđż đđšđŽđ): Current Premium is greater than or equal to Opening Premium.
đ PPD = Opening Premium á Tenor
The logic is deliberately conservative.
In Case 2, đŁđŁđ remains anchored to the original premium collected across the full life of the trade, rather than allowing a position that has moved underwater to appear increasingly productive simply because of its current đ§đľđ˛đđŽ.
This makes đŁđŁđ a useful đ˝đźđđśđđśđźđť-đšđ˛đđ˛đš đżđśđđ¸ đşđŽđťđŽđ´đ˛đşđ˛đťđ signal for evaluating short-option positions and identifying when a profitable trade may no longer justify the risk of remaining open.
Learn how the framework can be applied to đđŽđđľ-đŚđ˛đ°đđżđ˛đą đŁđđđ and đđźđđ˛đżđ˛đą đđŽđšđšđ, and why measuring premium collection requires a different lens from simply looking at the Greeks.
đ§đľđ˛đđŽ has a purpose. đŁđŁđ answers a different question.
Tune in to understand the difference and master the đŁđŁđ framework. đ§đ
đđđđđ đđđŚđđđđđ đđĽ
â ď¸ đđśđťđŽđťđ°đśđŽđš đđśđđ°đšđŽđśđşđ˛đż & đđ đĄđźđđśđ°đ˛: This podcast is for đ˛đąđđ°đŽđđśđźđťđŽđš and informational purposes only and does not constitute financial, investment, legal, or tax advice. Options trading carries substantial risk and can result in losses greater than the premium received. Always consult a qualified financial professional before making investment or trading decisions.
đ¤ đŁđšđ˛đŽđđ˛ đĄđźđđ˛: This podcast episode is đđ-đ´đ˛đťđ˛đżđŽđđ˛đą. While we strive for accuracy and high-quality educational systems thinking, đđ đşđŽđ¸đ˛đ đşđśđđđŽđ¸đ˛đ. Always independently verify mathematical formulas, calculations, market data, and financial concepts before relying on them.
đđĽđđđđ§đŚ
This episode is based on the original practitioner's article "PPD: A Cleaner Way to Measure What You're Actually Collecting Per Day" by đŚđŽđş đŠđśđđľđđŽđ, founder of đ˘đ§đŚ đ¨đšđšđ.
Read the original practitioner's guide here:
https://otsullu.com/articles/ppd-premium-per-day
Reference was also made to Markus Heitkoetter's published discussion regarding early profit-taking in options trading.
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