Biorhythm
MTG · 9th Edition · R · 231
Released 2005-04-29
$29.79
30-day forecast: $29.77
Live MTG price tracking, buyout detection, and price predictions for Biorhythm on TCG Collector Tools.
Prices Across Marketplaces
TCGplayer (market)
$29.79
TCGplayer (mid)
$40.00
TCGplayer (low)
$29.79
Price Forecast
| Horizon | Forecast | vs Today |
|---|---|---|
| 7 days (stable) | $29.77 | -0.1% |
| 30 days (stable) | $29.77 | -0.1% |
| 90 days | $29.12 | -2.2% |
| 180 days | $29.12 | -2.2% |
| 1 year | $29.12 | -2.2% |
Confidence 56% · Calibrated 30-day range $27.65–$31.89 · vintage card · veryLow volatility
Our Forecast Track Record
What we predicted for this card, and what actually happened. We publish misses as well as hits. Anchored 2026-04-10 · at $43.02 · 110 days ago.
| Horizon | We predicted | Actual | Error |
|---|---|---|---|
| Day 7 | $40.58 | $20.65 | -49.1% |
| Day 30 | $43.99 | $27.00 | -38.6% |
| Day 90 | $50.46 | $29.85 | -40.8% |
Signal Analysis
HOLD
Conviction 50/100 · Target $29.77 · Range $26.79–$32.75 · over 30d
Mixed signals. Monitor for clearer direction.
Recent Price History
$29.44
$29.00
$29.78
$29.78
$29.79
$29.79
$29.79
Frequently Asked Questions
How much is Biorhythm worth?
Biorhythm is currently $29.79 on TCGplayer for the 9th Edition printing. Prices update daily from live marketplace data.
Is Biorhythm going up or down in price?
Our 30-day forecast for Biorhythm is $29.77, with a stable trend at 56% confidence.