Company Events & EarningsExtended setexperimental liveNew

Peer Earnings Shock Propagation

Updated dailyData needs: highlong onlyshort onlylong short
paper
2010
Source
Menzly-Ozbas 2010 JF -- Market Segmentation and Cross-predictability of Returns.
Read the paper →

In plain terms

When a TNIC competitor beats (or misses) earnings, the focal stock tends to drift in the same direction before its own announcement.

How it works

Earnings surprises at TNIC peers propagate to the focal ticker before its own announcement. Positive peer surprises predict upward price drift in the focal stock; negative shocks predict downward drift. The effect is largest when the peer is a close TNIC competitor.

Live results

0 times picked on its own · 135 times inside a blend (130 beat the stock) · updated 2026-07-06
This strategy is a frequent ingredient in blends that combine a few strategies on one stock. It has contributed to 135 such blended picks (130 of which beat simply holding the stock). Picking it on its own is only one of the ways it shows up.
How its picks scored vs. buy & hold
Each pick is graded on a recent year it was never tuned on, against simply owning the same stock
Where its edge concentrates
Share of picks in each company-size group that beat buy & hold
How often it trades
Active vs. patient. Bars on the left mean it waits for rare setups; bars on the right mean it trades often
Return vs. buy & hold
How much each pick beat or trailed simply owning the stock over the test year (extreme microcap moves trimmed)
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Data dependencies

  • Daily prices

    Adjusted-close OHLCV for every US-listed ticker; primary price feed.

  • Earnings history

    A data feed this strategy reads, refreshed on its normal schedule.

  • Tnic peers

    Hoberg-Phillips text-based industry classification peer lists (annual).

Expected edge

Reported return
~2% 10-day abnormal return
Tested over
1980-2004 (Menzly-Ozbas)

Peer earnings surprise propagation: ~2% 10-day return in high-similarity pairs.

Related families

Explore Peer Earnings Shock Propagation on alphactor.ai

See which tickers this family is currently firing on, with live signals and rankings.

For informational and educational purposes only. Not financial advice. Learn more