Biorhythm
MTG · Onslaught · R · 247
Released 2002-10-07
$30.33
30-day forecast: $29.68
Live MTG price tracking, buyout detection, and price predictions for Biorhythm on TCG Collector Tools.
Prices Across Marketplaces
TCGplayer (market)
$30.33
TCGplayer (mid)
$42.99
TCGplayer (low)
$30.33
Price Forecast
| Horizon | Forecast | vs Today |
|---|---|---|
| 7 days (stable) | $29.68 | -2.1% |
| 30 days (stable) | $29.68 | -2.1% |
| 90 days | $28.79 | -5.1% |
| 180 days | $28.79 | -5.1% |
| 1 year | $28.79 | -5.1% |
Confidence 55% · Calibrated 30-day range $27.12–$32.24 · 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 2026-04-09 · at $26.13 · 112 days ago.
| Horizon | We predicted | Actual | Error |
|---|---|---|---|
| Day 7 | $20.90 | $19.68 | -5.8% |
| Day 30 | $16.98 | $29.59 | +74.3% |
| Day 90 | $16.98 | $29.99 | +76.6% |
Signal Analysis
HOLD
Conviction 50/100 · Target $29.68 · Range $26.71–$32.65 · over 30d
Mixed signals. Monitor for clearer direction.
Recent Price History
$26.00
$29.00
$29.00
$29.00
$29.00
$29.99
$30.33
Frequently Asked Questions
How much is Biorhythm worth?
Biorhythm is currently $30.33 on TCGplayer for the Onslaught printing. Prices update daily from live marketplace data.
Is Biorhythm going up or down in price?
Our 30-day forecast for Biorhythm is $29.68, with a stable trend at 55% confidence.