Period: 2026-10-01 to 2026-12-31 (in progress, updated daily). Compiled from the Martian Alpha Space Ledger, which records launch date changes, satellite counts, close approaches, space weather and stock prices every day.
Key findings
6 orbital launch attempts were recorded this quarter, with 0 failures (100% success).
SpaceX flew the most missions (4), with a smoothed reliability score of 92.9.
SpaceX (Starlink) was involved in the most close approaches: 20,387 a day on average over the last 30 days.
Over the last 12 months, AVIO.MI reacted most to successful launches: +3.04% on average the next trading day, net of the S&P 500 (2 launches).
Geomagnetic storm conditions (Kp 5+) occurred on 2 recorded days; 0 X-class flares were logged.
Launch reliability this quarter
Provider
Flights
Success
Failure
Score
SpaceX
4
4
0
92.9
China Aerospace Science and Technology Corporation
1
1
0
90.9
Korea Aerospace Research Institute
1
1
0
90.9
Launch slips by provider
Provider
Tracked
Flown
Slip events
Median slip (days)
On time
SpaceX
3
0
0
—
—
Mitsubishi Heavy Industries
1
0
0
—
—
United Launch Alliance
1
0
0
—
—
Russian Federal Space Agency (ROSCOSMOS)
1
0
0
—
—
Slip is measured from the first firm launch date Martian Alpha recorded.
Stock reaction to launches, trailing 12 months (vs S&P 500)