Grindstone
MTG · Masterpiece Series: Kaladesh Inventions · M · 39
Released 2016-09-30
$96.77
30-day forecast: $95.75
Live MTG price tracking, buyout detection, and price predictions for Grindstone on TCG Collector Tools.
Prices Across Marketplaces
TCGplayer (market)
$96.77
TCGplayer (mid)
$113.99
TCGplayer (low)
$96.77
Price Forecast
| Horizon | Forecast | vs Today |
|---|---|---|
| 7 days (stable) | $95.75 | -1.1% |
| 30 days (stable) | $95.75 | -1.1% |
| 90 days | $95.87 | -0.9% |
| 180 days | $95.87 | -0.9% |
| 1 year | $95.87 | -0.9% |
Confidence 55% · Calibrated 30-day range $92.71–$98.79 · 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 $97.74 · 111 days ago.
| Horizon | We predicted | Actual | Error |
|---|---|---|---|
| Day 7 | $99.08 | $91.48 | -7.7% |
| Day 30 | $102.06 | $91.48 | -10.4% |
| Day 90 | $108.19 | $96.77 | -10.6% |
Signal Analysis
HOLD
Conviction 50/100 · Target $95.75 · Range $86.18–$105.33 · over 30d
Mixed signals. Monitor for clearer direction.
Recent Price History
$96.77
$96.77
$94.94
$94.94
$94.79
$94.79
$96.77
Frequently Asked Questions
How much is Grindstone worth?
Grindstone is currently $96.77 on TCGplayer for the Masterpiece Series: Kaladesh Inventions printing. Prices update daily from live marketplace data.
Is Grindstone going up or down in price?
Our 30-day forecast for Grindstone is $95.75, with a stable trend at 55% confidence.