SmarterDividends

IOSP vs RTNTF: Which Is the Better Dividend Stock?

As of Nov 5, 2026, IOSP and RTNTF are closely matched. RTNTF offers the higher yield at 4.48%, IOSP has the higher dividend-safety score, and RTNTF looks like the better value (its fair-value estimate is 89% above its share price).

Key facts: IOSP vs RTNTF

Data as of · Source: SmarterDividends data

  • As of Nov 5, 2026, Rio Tinto Group (RTNTF) has the higher forward dividend yield at 4.48%, versus 2.33% for Innospec Inc. (IOSP).
  • As of Nov 5, 2026, SmarterDividends grades IOSP's dividend safety B (78/100) and RTNTF's C (56/100).
  • By SmarterDividends' count as of Nov 5, 2026, IOSP has raised its dividend for 11 consecutive years and RTNTF for 0.
  • As of Nov 5, 2026, IOSP pays out 32% of its earnings as dividends and RTNTF pays out 53%.
  • As of Nov 5, 2026, IOSP's fair-value estimate is 18% below its share price and RTNTF's fair-value estimate is 89% above its share price, so RTNTF looks like the better value of the two on SmarterDividends' blended model.
Cite this page

SmarterDividends, "IOSP vs RTNTF: Dividend Yield, Safety & Value Compared," updated Nov 5, 2026, https://smarterdividends.com/compare/iosp-vs-rtntf

MetricIOSPRTNTF
Forward yield2.33%4.48%
Annual dividend$1.88$4.72
Payout ratio32%53%
Years of growth11 yr0 yr
5-yr dividend growth10.5%-0.2%
5-yr total return23%53%
Dividend safety score78 (B)56 (C)
Fair value estimate$65.50$198.53
Upside to fair value-18%+89%
Frequencysemiannualsemiannual
Market cap$2.0B$171.2B
P/E ratio14.214.3

Higher yield

RTNTF

4.48%

Safer dividend

IOSP

Grade B

Faster growth

IOSP

10.5%

Better value

RTNTF

+89% upside

IOSP vs RTNTF — FAQ

Is IOSP or RTNTF a better dividend stock?

IOSP and RTNTF are closely matched. RTNTF has the higher yield; IOSP scores better on safety.

Which has a higher dividend yield, IOSP or RTNTF?

RTNTF has the higher forward dividend yield at 4.48%, versus 2.33% for IOSP.

Is IOSP or RTNTF safer?

IOSP has the higher dividend-safety score (78/100 vs 56/100), reflecting stronger payout coverage and dividend-growth history.

Is IOSP or RTNTF better value right now?

As of Nov 5, 2026, RTNTF looks like the better value: its fair-value estimate is 89% above its share price (undervalued). For IOSP, its fair-value estimate is 18% below its share price.

See more dividend stock comparisons · data refreshes daily · for informational purposes only, not investment advice.