This tracks how US Space is performing against the S&P 500: the relative-strength read traders use to find themes gaining momentum and the strongest stocks within them. Look for three things: whether it is gaining or losing ground on the index, whether the move is broad or led by a few large names, and which stocks lead on relative strength.
Current read · as at 15 Oct 2026
US Space is underperforming the S&P 500 and losing ground (the lagging zone of the rotation chart). It is down 14.6% over the past month and 0.6% year to date. No stocks are above their 50-day average. On 3-month relative strength, GSAT.US, VOYG.US and IRDM.US lead the theme, and FLY.US has climbed the most in rank.
Relative strength is measured against S&P 500, centred at 100. Above 100 means it outpaced the benchmark.
Performance charts
Rebased to 100 vs S&P 500
End of day
US Space vs S&P 500
Rising = outperforming
100 = matches benchmark. Above = outpacing it; below = lagging.
What's underneath the leaders
End of day
Latest-day drivers
- ASTS.US-10.46%-1.05%
- LUNR.US-9.52%-0.95%
- RKLB.US-7.85%-0.78%
Top 3 account for 53% of the total move.
Contribution is each holding's weight times its one-day move.
Emerging leaders (3-month rank)
- 1GSAT.US+2
- 2VOYG.US+4
- 3IRDM.US-2
- 4RDW.US+1
- 5FLY.US+5
Rank 1 = strongest 3-month move. Delta is the rank change; positive means improving.
Breadth and Effective N measure how widely the basket is moving right now — a participation gauge, not a forecast.
Constituents
Weights and contribution to the basket move
ASTS.US | Ast Spacemobile Inc | $42.14 | -10.46% | 10.0% | -1.05% |
FLY.US | FLY | $17.02 | -7.20% | 10.0% | -0.72% |
GSAT.US | Globalstar, Inc. Common Stock | $82.40 | -0.34% | 10.0% | -0.03% |
IRDM.US | IRDM | $45.78 | -2.03% | 10.0% | -0.20% |
LUNR.US | LUNR | $11.02 | -9.52% | 10.0% | -0.95% |
PL.US | Planet Labs PBC | $14.13 | -6.79% | 10.0% | -0.68% |
RDW.US | RDW | $8.62 | -5.90% | 10.0% | -0.59% |
RKLB.US | Rocket Lab USA Inc. | $59.18 | -7.85% | 10.0% | -0.78% |
SATS.US | EchoStar CorporationData pending | - | - | 10.0% | - |
VOYG.US | VOYG | $25.82 | -2.05% | 10.0% | -0.20% |
ASTS.US
Ast Spacemobile Inc
- Last
- $42.14
- 1D
- -10.46%
- Weight
- 10.0%
- Contribution
- -1.05%
FLY.US
FLY
- Last
- $17.02
- 1D
- -7.20%
- Weight
- 10.0%
- Contribution
- -0.72%
GSAT.US
Globalstar, Inc. Common Stock
- Last
- $82.40
- 1D
- -0.34%
- Weight
- 10.0%
- Contribution
- -0.03%
IRDM.US
IRDM
- Last
- $45.78
- 1D
- -2.03%
- Weight
- 10.0%
- Contribution
- -0.20%
LUNR.US
LUNR
- Last
- $11.02
- 1D
- -9.52%
- Weight
- 10.0%
- Contribution
- -0.95%
PL.US
Planet Labs PBC
- Last
- $14.13
- 1D
- -6.79%
- Weight
- 10.0%
- Contribution
- -0.68%
RDW.US
RDW
- Last
- $8.62
- 1D
- -5.90%
- Weight
- 10.0%
- Contribution
- -0.59%
RKLB.US
Rocket Lab USA Inc.
- Last
- $59.18
- 1D
- -7.85%
- Weight
- 10.0%
- Contribution
- -0.78%
SATS.US
EchoStar Corporation
- Last
- -
- 1D
- -
- Weight
- 10.0%
- Contribution
- -
Data pending
VOYG.US
VOYG
- Last
- $25.82
- 1D
- -2.05%
- Weight
- 10.0%
- Contribution
- -0.20%
Last price shown at full precision. Contribution is each holding's weight times its one-day move. A dash marks data pending after the latest end-of-day refresh.
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Equal weighted. Equal-weighted basket seeded from US-listed space launch, satellite, and space technology companies, screened nightly from end-of-day data. Active US common stocks only, with a market cap of at least USD 500 million and a 90-day average daily value traded of at least USD 2 million, top 20 by market cap.