$BTC

Additional Explanation:

The Shift Towards Bitcoin:

Metaplanet started selling most of its real estate assets while retaining one property in Tokyo and converting the proceeds from the sales to buy Bitcoin.

Purchase Plan:

The company announced plans to raise $5.4 billion to increase its Bitcoin holdings, aiming to reach 210,000 Bitcoins by 2027 [2, 3].

Comparison to MicroStrategy:

Metaplanet is following a strategy similar to that of MicroStrategy, an American company.