# MFS Total Return Bond R6 (MRBKX)

> Source: Nexqual · https://nexqual.com/MRBKX · data as of 2026-10-24 00:03 UTC · cite as "Nexqual, MFS Total Return Bond R6 (MRBKX), nexqual.com/MRBKX" · informational, not investment advice.

**Price:** USD 9.26 (-0.22% on the day) · last close of Oct 23, 2026; US market closed, not a live price. Prev close 9.28 · day 9.26–9.26 · 52w 9.11–9.76 · market cap null · NAS

## Key facts
- Total return with dividends: 1Y -0.9% vs S&P 500 +13.4%; 5Y +0.9% vs S&P 500 +76.9%.

## Total return (dividends reinvested)
|  | 1Y (from 2025-10-24) | 5Y (from 2021-10-25) |
|---|---|---|
| Total return | -0.9% | +0.9% |
| S&P 500 (SPY) | +13.4% | +76.9% |
| Per year | -0.9% | +0.2% |
| Volatility (annualized) | 4.0% | 5.9% |
| Max drawdown | -4.5% (Feb 2026→Sep 2026) | -18.1% (Nov 2021→Oct 2022) |

## Peers
MDIZX (MFS International Diversificati) USD 30.5 +0.00% · JHBSX (John Hancock Bond Fd Cl R6) USD 13.02 -0.00% · MNDKX (MFS New Discovery Fund Class R6) USD 38.73 +0.00% · BFFAX (The Bond Fund of America - Clas) USD 10.88 -0.00% · MVCKX (MFS Mid Cap Value Fund Class R6) USD 35.82 +0.00%

## More
Full page: https://nexqual.com/MRBKX · Free keyless MCP server with the same data and citations: https://mcp.nexqual.com/mcp · Guide for agents: https://nexqual.com/agents · https://nexqual.com/llms.txt