Pricing data for the current year is posted below and updated on a monthly basis.
2025 Monthly Averages
Last update: January 2, 2026 6:00 AM CST [Chicago Time]
| January 2025 | $1,672 |
| February 2025 | $1,640 |
| March 2025 | $1,644 |
| April 2025 | $1,632 |
| May 2025 | $1,638 |
| June 2025 | $1,648 |
| July 2025 | $1,656 |
| August 2025 | $1,618 |
| September 2025 | $1,612 |
| October 2025 | $1,579 |
| November 2025 | $1,583 |
| December 2025 | $1,662 |
| January 2025 | $267 |
| February 2025 | $272 |
| March 2025 | $261 |
| April 2025 | $257 |
| May 2025 | $260 |
| June 2025 | $274 |
| July 2025 | $271 |
| August 2025 | $271 |
| September 2025 | $271 |
| October 2025 | $267 |
| November 2025 | $267 |
| December 2025 | $268 |
| January 2025 | $200 |
| February 2025 | $200 |
| March 2025 | $200 |
| April 2025 | $200 |
| May 2025 | $200 |
| June 2025 | $200 |
| July 2025 | $200 |
| August 2025 | $200 |
| September 2025 | $200 |
| October 2025 | $200 |
| November 2025 | $200 |
| December 2025 | $200 |
| January 2025 | $34 |
| February 2025 | $34 |
| March 2025 | $34 |
| April 2025 | $34 |
| May 2025 | $34 |
| June 2025 | $34 |
| July 2025 | $34 |
| August 2025 | $34 |
| September 2025 | $34 |
| October 2025 | $34 |
| November 2025 | $33 |
| December 2025 | $33 |
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| January 2025 | $44 |
| February 2025 | $44 |
| March 2025 | $44 |
| April 2025 | $44 |
| May 2025 | $44 |
| June 2025 | $44 |
| July 2025 | $44 |
| August 2025 | $44 |
| September 2025 | $44 |
| October 2025 | $44 |
| November 2025 | $44 |
| December 2025 | $44 |