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Guide · Calendar

Does Pre-FOMC Drift work?

Across 375 stocks, Pre-FOMC Drift cut the worst fall on 100%, beat buying and holding on risk-adjusted return on 11% and on raw return on 11%. Mainly a seatbelt: it softened the big falls on most stocks, but usually gave up return to do it.

Cut the worst fall100%375 of 375 stock tests: a smaller peak-to-trough loss than holding.
Beat holding, risk-adjusted11%43 of 375: a higher Sharpe ratio than buy and hold.
Beat holding on return11%40 of 375: more money than buy and hold, after costs.
Calls right47%Of 108,077 finished calls, in before a rise or out before a fall.
Switches a year15.9Median trades per stock per year. More switching, more cost.
Time in the market3%Median share of days holding rather than in cash.

What it predicts

Own the stock only on the day of each scheduled Federal Reserve rate announcement, when stocks have tended to rise ahead of the news.

  • In at the close of the session before each scheduled FOMC announcement day (the last day of a scheduled meeting).
  • Out at the close of the announcement day.
  • Out on all other days. Conference calls, unscheduled meetings and notation votes are ignored.

Calendar plays bet that some parts of the year and month have been reliably stronger than others. The family guide

How to use it

  • It trades often (about 16 switches a year per stock), so costs, spreads and taxes eat into it more than the backtest's 0.05% per switch suggests.
  • It sits in cash much of the time (holding on about 3% of days), so judge it on risk-adjusted return rather than on matching a rising market.
  • It worked best on Metals & mining (22% beat holding on risk-adjusted return) and worst on Media & telecom (0%).
  • Use it as one input. Your signal combines the plays you count with the other factors you weight into one call.

When it worked

Pre-FOMC Drift did best against holding in the 2008 crash (+55% median gap) and worst in the 2020–21 rally (−43%). Median gap in return against holding the same stock (per year over stretches longer than 18 months; crypto excluded).

2008 crashRecovery 2009⁠–⁠19COVID drop2020–21 rally2022 bearSince Oct 2022
Pre-FOMC Drift+55%−15%+27%−43%+25%−17%

Where it worked

By kind of stock: how often it beat holding on risk-adjusted return, and the median Sharpe ratio gap.

GroupBeat holding, risk-adjustedSharpe gap
Metals & mining22%-0.15
Software & devices18%-0.23
Semiconductors17%-0.18
Micro caps17%-0.19
Indexes & ETFs14%-0.21
Energy & power12%-0.27
Financials12%-0.31
Industrials & rentals11%-0.39
Real estate11%-0.32
Sectors8%-0.28
Consumer & retail6%-0.52
Industrials & materials6%-0.40
Healthcare6%-0.38
Big tech0%-0.39
Media & telecom0%-0.48

Where it helped most

Sharpe ratio gap against holding, stocks with 3+ years of history

  1. GPRO GoPro+0.65
  2. LSPD Lightspeed Commerce+0.49
  3. FLNC Fluence Energy+0.46
  4. EOSE Eos Energy+0.45
  5. HTZ Hertz+0.32
  6. BSX Boston Scientific+0.24

Where it hurt most

Sharpe ratio gap against holding, stocks with 3+ years of history

  1. NGEX NGEx Minerals-1.65
  2. TSAT Telesat-1.30
  3. CSU Constellation Software-1.26
  4. DOL Dollarama-1.22
  5. H Hydro One-1.19
  6. HOLO MicroCloud Hologram-1.14

Right now

Pre-FOMC Drift holds 0 of 377 names as of the Oct 13, 2026 close.

No changes of call in the last two weeks.

What it says on every stock

Backtest results since 2005 (or as long as each stock has traded), against holding the same stock over the same dates, after 0.05% per switch. Past results don't promise future ones. This analysis does not constitute trading advice. Please meet with an advisor or independently review sources before making any decision.

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