玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)1.5410.015.792.03-9.38-7.7358.94-9.52-13.5744.779.978.444.225.978.7859.49-7.22-13.58
24Q2 (19)1.40-16.1711.112.24-5.8829.4865.1419.59-9.540.716.35-22.4641.739.44-5.0364.1217.39-20.4
24Q1 (18)1.6743.9720.142.3840.038.3754.47-30.75-17.0538.28-28.58-27.6438.13-29.743.2554.62-29.97-33.1
23Q4 (17)1.16-12.780.871.70-22.7333.8678.6615.35-0.3353.6029.78-25.1754.2733.5117.5477.9913.29-25.28
23Q3 (16)1.335.5638.542.2027.1773.2368.19-5.27-28.0241.30-21.33-42.1840.65-7.49-26.1468.84-14.54-38.05
23Q2 (15)1.26-9.3514.551.730.58-7.9871.989.61-13.352.50-0.768.743.9418.98-3.780.55-1.34-6.0
23Q1 (14)1.3920.8717.81.7235.43-22.1765.67-16.79-14.6452.90-26.1528.5536.93-20.01-17.2581.64-21.7911.15
22Q4 (13)1.1519.79-3.361.270.0-47.7478.92-16.693.5471.630.2891.1246.17-16.120.11104.38-6.0754.45
22Q3 (12)0.96-12.73-25.01.27-32.45-57.9594.7314.1132.7371.4347.89137.3955.0420.6228.39111.1229.6889.66
22Q2 (11)1.10-6.78-16.031.88-14.93-43.7183.027.9219.0848.3017.3877.5145.632.249.2485.6916.6655.32
22Q1 (10)1.18-0.84-13.872.21-9.05-32.6276.930.9316.1241.159.7948.544.63-3.2321.4473.458.6928.41
21Q4 (9)1.19-7.03-6.32.43-19.54-10.076.226.86.1737.4824.5611.3246.127.5825.2667.5815.34-1.54
21Q3 (8)1.28-2.29-7.913.02-9.5819.8471.372.379.1630.0910.58-16.7442.872.6323.7958.596.2-12.41
21Q2 (7)1.31-4.38-1.53.341.8357.5569.725.241.927.21-1.8-36.5441.7713.6616.6455.17-3.55-26.92
21Q1 (6)1.377.8714.173.2821.4879.2366.25-7.72-12.5927.71-17.7-44.2136.75-0.19-0.1957.20-16.67-35.46
20Q4 (5)1.27-8.630.792.707.1439.971.799.8-0.5333.67-6.83-28.5936.826.32-5.6968.642.62-14.51
20Q3 (4)1.394.510.02.5218.870.065.38-4.440.036.14-15.720.034.63-3.30.066.89-11.390.0
20Q2 (3)1.3310.830.02.1215.850.068.42-9.720.042.88-13.670.035.81-2.740.075.49-14.830.0
20Q1 (2)1.20-4.760.01.83-5.180.075.795.020.049.675.340.036.82-5.690.088.6310.390.0
19Q4 (1)1.260.00.01.930.00.072.170.00.047.150.00.039.040.00.080.290.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)5.7418.356.23-11.6363.64-15.3558.5813.1847.894.3474.32-8.3
2022 (9)4.85-6.377.05-31.7575.186.5951.7646.4245.9010.4281.0526.05
2021 (8)5.18-5.4710.335.8470.535.8235.35-5.4341.5719.5664.30-7.17
2020 (7)5.48-7.599.7629.6166.658.3437.38-22.9334.776.8969.27-10.61
2019 (6)5.932.077.5311.5661.52-2.0548.50-10.2732.53-16.7277.49-0.41
2018 (5)5.81-1.696.75-4.862.811.7254.055.0339.06-10.3777.8111.73
2017 (4)5.91-12.317.093.3561.7514.0651.46-3.2943.586.9269.644.6
2016 (3)6.74-2.66.8627.2754.142.6453.21-21.440.76-16.966.58-6.76
2015 (2)6.92-13.175.39-15.5252.7515.2267.7018.3649.057.5271.4124.49
2014 (1)7.97-7.06.38-6.0445.787.5457.206.4645.625.8557.367.84

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